int main(void)
{
int s1;
int s2;
int r;
struct onload_stat * stat;
struct sockaddr_in servaddr;
stat = malloc(sizeof(struct onload_stat));
/* new sockets created in this thread will not be accelerated */
if( onload_set_stackname(ONLOAD_THIS_THREAD, ONLOAD_SCOPE_THREAD,
ONLOAD_DONT_ACCELERATE) )
perror("Error setting stackname:");
/* set up a basic UDP socket */
s1 = socket(AF_INET, SOCK_DGRAM, 0);
r = onload_fd_stat(s1, stat);
outputStatInfo(r, stat);
close(s1);
/* revert to accelerating sockets */
if( onload_set_stackname(ONLOAD_ALL_THREADS, ONLOAD_SCOPE_NOCHANGE, "") )
perror("Error setting stackname:");
/* set up a basic UDP socket */
s1 = socket(AF_INET, SOCK_DGRAM, 0);
r = onload_fd_stat(s1, stat);
outputStatInfo(r, stat);
close(s1);
/* give the stack a name */
if( onload_set_stackname(ONLOAD_ALL_THREADS, ONLOAD_SCOPE_GLOBAL, "s_name") )
perror("Error setting stackname:");
/* set up two basic UDP sockets */
s1 = socket(AF_INET, SOCK_DGRAM, 0);
r = onload_fd_stat(s1, stat);
outputStatInfo(r, stat);
s2 = socket(AF_INET, SOCK_DGRAM, 0);
r = onload_fd_stat(s2, stat);
outputStatInfo(r, stat);
close(s1);
close(s2);
/* tidy up */
free(stat);
}
static void do_server(void)
{
int sl;
int sa1;
int sa2;
int r;
int i;
struct onload_stat * stat;
struct sockaddr_in saddr;
stat = malloc(sizeof(struct onload_stat));
/* create a named stack for the socket */
if( onload_set_stackname(ONLOAD_ALL_THREADS, ONLOAD_SCOPE_GLOBAL, "initial") )
perror("Error setting stackname:");
/* set up a basic listening TCP socket */
sl = socket(AF_INET, SOCK_STREAM, 0);
bzero(&saddr, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_addr.s_addr = htonl(INADDR_ANY);
saddr.sin_port = htons(20001);
bind(sl, (struct sockaddr *) &saddr, sizeof(saddr));
listen(sl, 10);
/* accept the first connection */
printf("Accepting first connection\n");
sa1 = accept(sl, (struct sockaddr *) NULL, NULL);
r = onload_fd_stat(sa1, stat);
outputStatInfo(r, stat);
/* create a new named stack to move the socket to */
if( onload_set_stackname(ONLOAD_ALL_THREADS, ONLOAD_SCOPE_GLOBAL, "stack1") )
perror("Error setting stackname:");
/* move the socket into the current (stack1) stack */
printf("Moving first connection\n");
onload_move_fd(sa1);
r = onload_fd_stat(sa1, stat);
outputStatInfo(r, stat);
/* accept the second connection */
printf("Accepting second connection\n");
sa2 = accept(sl, (struct sockaddr *) NULL, NULL);
r = onload_fd_stat(sa2, stat);
outputStatInfo(r, stat);
/* create a new named stack to move the socket to */
if( onload_set_stackname(ONLOAD_ALL_THREADS, ONLOAD_SCOPE_GLOBAL, "stack2") )
perror("Error setting stackname:");
/* move the socket into the current (stack2) stack */
printf("Moving second connection\n");
onload_move_fd(sa2);
r = onload_fd_stat(sa2, stat);
outputStatInfo(r, stat);
/* tidy up */
close(sl);
close(sa1);
close(sa2);
free(stat);
}
JNIEXPORT jint JNICALL
Java_OnloadExt_FdStat__ILOnloadExt_Stat_2 (JNIEnv * env, jclass cls,
jint fd_val, jobject stat)
{
jint rval;
jclass stat_class;
jfieldID field_sid;
jfieldID field_name;
jfieldID field_eid;
jfieldID field_state;
jstring stack_name;
struct onload_stat native_stats;
if ( !stat )
return -EINVAL;
stat_class = (*env)->GetObjectClass(env, stat);
if ( !stat_class )
return -EINVAL;
field_sid = (*env)->GetFieldID(env, stat_class, "stackId", "I");
field_eid = (*env)->GetFieldID(env, stat_class, "endpointId", "I");
field_state = (*env)->GetFieldID(env, stat_class, "endpointState", "I");
field_name = (*env)->GetFieldID(env, stat_class, "stackName",
"Ljava/lang/String;" );
if ( !field_sid || !field_name || !field_eid || !field_state )
return -EINVAL;
(*env)->SetIntField( env, stat, field_sid, 0 );
(*env)->SetIntField( env, stat, field_eid, 0 );
(*env)->SetIntField( env, stat, field_state, 0 );
stack_name = JNU_NewStringNative(env, "" );
if ( stack_name )
(*env)->SetObjectField( env, stat, field_name,
stack_name );
if ( fd_val < 0 )
return -EINVAL;
rval = onload_fd_stat( fd_val, &native_stats );
if( rval ) {
(*env)->SetIntField( env, stat, field_sid,
native_stats.stack_id );
(*env)->SetIntField( env, stat, field_eid,
native_stats.endpoint_id );
(*env)->SetIntField( env, stat, field_state,
native_stats.endpoint_state );
if ( native_stats.stack_name ) {
stack_name = JNU_NewStringNative(env,
native_stats.stack_name );
if ( stack_name )
(*env)->SetObjectField( env, stat, field_name,
stack_name );
}
}
return rval;
}
